Hi, Perhaps a Yagi then? It is very easy to build and inexpensive. I used 3 mm Al tig welding rods for elements and a PVC electrical tube as boom.
My 900 MHz Yagi photos, wire list and EZNEC design can be found at http://www.poes-weather.com/~patrik/Yagi-900MHz/ Here is a yagi calculator http://www.vk5dj.com/yagi.html Patrik ----- Original Message ----- From: davood ahmady To: Patrik Tast Sent: Monday, October 31, 2011 13:02 Subject: Re: [Discuss-gnuradio] proper antenna for RFX900 On Sun, Oct 30, 2011 at 2:37 PM, Patrik Tast <pat...@poes-weather.com> wrote: It helps us alot if you specify what you are about to RX/TX. Q's: -frequency -signal is linear (vertical or horizontal) or circular (right or left) Patrik hello Patrik thanks for reply. I am new in this subject. I am planning to work on 900-1200MHz frequency range. the polarization of the antenna is vertical Ahmad
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